The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 1977
Filed:
Jul. 28, 1976
Applicant:
Inventor:
Richard Grant Sparber, Wheaton, IL (US);
Assignee:
Bell Telephone Laboratories, Incorporated, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
324 62 ;
Abstract
A direct reading ohmmeter for neutralizing the effects of foreign voltages is disclosed including alternately connected stages for registering the Thevenin Equivalent open circuit voltage across test probes as well as a voltage whose value is a function of the resistance to be measured, and circuitry monitoring these stages for determining the value of the unknown resistance by a continuous subtraction of the stored voltages.
Sparber, Richard. (1977). Ohmmeter for circuits carrying unknown currents (U.S. Patent No. 4047104). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4047104
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile